Free Online Developer Tools

Looking for a simple and powerful GIF Maker that works right in your browser? Our free online GIF Maker and converter is…

Score your YouTube title from 0 to 100 instantly, then get better rewritten title suggestions, extracted keywords and ready-to-use video tags —…

Ever wondered how much money your favorite YouTuber makes? Or how much you could earn from your own YouTube channel? Our free…

Generate relevant YouTube video tags from a keyword using real YouTube search suggestions. Pick the tags you want, watch the 500-character limit,…

Looking for a fast, free, and easy-to-use Thumbnail Resizer? Our free online Thumbnail Resizer lets you resize any image to the perfect…

Struggling to figure out the perfect price for your products? Our free Product Pricing Calculator is here to help. In just seconds,…

Running an online store or shipping products to customers? Our free Packing Slip Generator is here to make your shipping process faster,…

Test your love compatibility three ways — by names, zodiac signs or birthdays. Get a love score with a full breakdown of…

Tired of writing the same emails over and over again? Our free Email Template Generator is here to save you time and…

Looking for a fast, accurate, and easy-to-use Currency Converter? Our free online Currency Converter lets you convert any currency to another in…

Struggling to come up with a unique and catchy name for your YouTube, Twitch, or podcast channel? Our free Channel Name Generator…

Struggling to come up with a unique and catchy name for your brand or social media profile? Our free Business Name Generator…

Generate natural, lifelike AI voices from your text locally and offline. Supports multi-language voices, speaking rate, pitch, and output format controls. Convert…

Convert images (PNG, JPG, JPEG, WEBP, GIF, BMP, SVG) to Base64 encoded strings or Data URLs instantly. Safe, browser-based conversion with file…

Looking for a fast, free, and easy-to-use Base64 to Image Converter? Our free online Base64 to Image Converter lets you decode any…

Download TikTok videos without watermark in HD quality quickly and easily.

Download Instagram Reels, Videos, and IGTV content in high quality quickly and easily.

Download Facebook videos in HD quality quickly and easily.

Paste any code snippet, select your language, and get an instant explanation — either as a numbered step-by-step breakdown or as an…

A free calculator for US freelancers, independent contractors, and self-employed individuals who receive 1099 income. Estimates self-employment tax, federal income tax by…

Generate accurate transcripts from YouTube videos instantly. Edit, customize, and download them.

Turn a one-line idea into a complete, production-ready development prompt for Claude Code, Cursor, ChatGPT, Gemini & Copilot. Plus a curated prompt…

Calculate your Zakat accurately and instantly. Mobile-first, responsive, and SEO-friendly Zakat calculator with Nisab references.

Calculate Islamic inheritance (Faraid) accurately and instantly. Mobile-first, responsive, and SEO-friendly Mirath calculator based on Sunni rules.

Build a professional, ATS-friendly resume with live preview, multiple templates, accent colors and one-click PDF export. 100% free, private, no signup.

Split any restaurant bill fairly with tip between any number of people. Quick split or itemized per-person mode.

Paste two texts and instantly see what changed — added, removed, and unchanged lines highlighted side-by-side or unified.

Remove image backgrounds instantly with AI. Upload a PNG, JPG or WEBP, then add a solid colour, gradient or custom background and…

Extract and download high-quality thumbnails from YouTube videos

Extract and download high-quality thumbnails from YouTube videos

Extract SEO-optimized tags and keywords from any YouTube video

Download videos online for free — no software installation required. Our Free Video Downloader lets you save videos in multiple formats including…

Check installed WordPress themes and plugins with their versions and status. Perfect for development and debugging.

Free online word counter. Calculate word count, characters, sentences, and estimated reading time

Convert JPG and PNG images to the modern WebP format for faster web performance.

Generate Version 1 and Version 4 UUIDs (Universally Unique Identifiers).

View and parse your browser's User Agent string.

Encode and decode URL strings instantly. Perfect for handling special characters in URLs and query parameters

Convert between common units of measurement like length, weight, temperature, and volume.

Find the best meeting time across different time zones. Visualize overlapping business hours for distributed teams.

Convert text between different cases - uppercase, lowercase, title case, sentence case, and more

Determine if a tenant can afford a rental property based on their income using the standard 30% rule and 40x rent rule.

Enter a website URL to identify the technologies it's built with (CMS, Frameworks, Analytics, Server).

Easily create and customize HTML tables visually. Generate clean code for your websites.

Format, prettify, and standardize SQL queries online.

Convert text titles into SEO-friendly URL slugs. Removes special characters and standardizes format.

Audit any website's metadata, structure, and social tags for SEO optimization.

Generate custom robots.txt files to control search engine crawling and optimize site indexing.

Test and debug regular expressions online. Real-time pattern matching with syntax highlighting, match groups, and common regex library

Generate custom QR codes for social media and websites

Boost your focus with customizable work and break intervals.

Test how strong your password is and how long it would take to crack. 100% Client-side.

Generate strong, secure passwords with customizable options for better security. Includes passphrase generation and strength meter

Generate professional color palettes from a base color. Includes Monochromatic, Analogous, Complementary, and Triadic schemes.

Check your public IP address and location details instantly.

Create SEO-friendly meta tags (title, description, keywords, OG tags) for your website.

Calculate the true cost of a meeting based on the number of participants and their average hourly rate.

Live markdown editor with real-time preview. Write, edit, and preview markdown with GitHub-flavored syntax support. Export to HTML

Generate placeholder text (Lorem Ipsum) for your designs.

Calculate monthly loan payments, total interest, and amortization.

Decode JSON Web Tokens (JWT) to view their header, payload, and signature without sending them to a server.

Convert JSON data to YAML format instantly. Clean, accurate, and easy to use.

Convert JSON data to CSV format instantly. Supports nested objects and array flattening.

Automatically generate a professional JSON Schema (Draft 07) from any JSON object for API development and validation.

Format, validate, and beautify JSON strings. Perfect for developers working with APIs and JSON data

A full-featured invoice application. Manage invoice history, customize pro templates, global currency formatting, and line-item customization.

Compress PNG and JPG images online for free. Reduce file size without losing quality.

Convert PNG or JPG images to .ico format. Perfect for website favicons.

Format (beautify) HTML code or minify it for production code.

Calculate your ideal hourly rate based on your income goals and billable hours. Perfect for freelancers and contractors.

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 cryptographic hashes for text and files. Perfect for data integrity verification

Create stunning glassmorphism effects with real-time CSS preview.

Measure the Return on Investment (ROI) and Return on Ad Spend (ROAS) for your Facebook advertising campaigns.

Extract email addresses from any text securely. All processing happens in your browser - no data is sent to any server. Includes…

A full-featured canvas sketching tool with various brushes and export options.

Calculate the number of days between two dates.

Build complex cURL commands for your API requests using a visual interface.

Minify and beautify CSS code to reduce file size or improve readability.

Pick colors, convert between HEX, RGB, HSL, and HSV formats. Perfect for designers and developers

Convert your code snippets into beautiful, shareable high-resolution images with professional styling.

Compare two code snippets side by side with visual diff highlighting

Calculate Body Mass Index (BMI) to understand your health status.

Generate trendy, organic-looking SVG blob shapes for web designs, backgrounds, and UI elements.

Encode and decode text and files to/from Base64 format instantly. Support for images with preview. Perfect for data encoding and API development

Visually build CSS keyframe animations and export the code.

Rewrite AI-generated text to sound more natural and human-like using smart synonym matching.

Estimate the cost of using AI services like OpenAI GPT-4, Claude, and Gemini based on token usage.

Calculate your exact age in years, months, weeks, and days.